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Finding the Fourth Proportional to 61.63, 92.44 and 25.56

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Solution

The fourth proportional to 61.63, 92.44 and 25.56 is: 38.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61.63 : 92.44 = 25.56 : x
  2. Step 2: Convert to fraction form
    61.63/92.44 = 25.56/x
  3. Step 3: Cross multiply
    61.63x = 92.44 × 25.56
  4. Step 4: Simplify right side
    61.63x = 2,362.30
  5. Step 5: Solve for x
    x = 2,362.30/61.63
  6. Step 6: Final answer
    x = 38.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.